Reference materials, acid number standards, in hydrocarbon oil, VHG

These reference materials are intended for use in the determination of acid number (AN) in petroleum products in accordance with ASTM D664/IP 177 (by potentiometric titration) or ASTM D974 (by colour-indicator titration).

: Each standard is supplied with a full certificate of analysis (COA) which states the certified values and uncertainty by both ASTM D664 and D974.

Environmentally Preferable:

Frequently Bought Together

Sodium hydroxide 0.1 mol/l (0.1 N) in aqueous solution, AVS TITRINORM Reag. Ph. Eur. volumetric solution

: VWR Chemicals

Nitrile gloves, Kimtech™ Purple Nitrile™

: KIMBERLY CLARK

VWR® Serological Pipette, Standard Line

: VWR Collection

Acetonitrile ≥99.9%, LiChrosolv® Reag. Ph. Eur., gradient grade for liquid chromatography, Supelco®

: Merck

pH indicator strips, MQuant®, Supelco®

: Merck

Acetonitrile ≥99.9%, HiPerSolv CHROMANORM® for LC-MS, suitable for UPLC/UHPLC instruments

: VWR Chemicals

VWR®, Nitrile Gloves

: VWR Collection

VWR® Facial Tissues

: VWR Collection

Water, HiPerSolv CHROMANORM® for HPLC

: VWR Chemicals

Methanol ≥99.8%, HiPerSolv CHROMANORM® Reag. Ph. Eur., gradient grade for HPLC

: VWR Chemicals

Acetone ≥99%, TECHNICAL

: VWR Chemicals

Sealing film for manual application, Parafilm® M

: HEATHROW

VWR®, Transfer Pipettes, High Performance

: VWR Collection

VWR® NITRILE LIGHT, Nitrile Gloves

: VWR Collection

Acetonitrile, anhydrous (max. 0.003% H₂O) ≥99.95%, HiPerSolv CHROMANORM® Reag. USP, Reag. Ph. Eur., ACS, super gradient grade suitable for UPLC/UHPLC instruments

: VWR Chemicals